Wo muss hier das ,,in these days'' rein: It is a well known fact that the competition which arises among professional athletes is higher than ever before?
Wo muss hier das ,,in these days'' von der satzstellung her rein?
It is a well-known fact that the competition (kein which arises) among professional athletes (kein in) these days is higher than ever before
-"... is higher these days" (ohne "in")
Streiche "which arises".